6th Class Mathematics Ratio and Proportion Question Bank Ratio, Proportion & Unitary Method

  • question_answer
    If \[a:b=3:5\]and \[b:c=6:7,\]find \[a:b:c\]

    A) \[18:30:35\]                 

    B)  \[35:30:18~\]

    C) \[15:36:35\]                 

    D) \[4:5:6\]

    Correct Answer: A

    Solution :

    \[~a:b\] \[b:c\] \[\overline{\begin{align}   & a:b:c\,\,=\,\,ab:{{b}^{2}}=bc \\  & \therefore \,\,a:b:c=18:30:35 \\ \end{align}}\]


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